ISO Certification

Quadrangle Products Inc. is a ISO 9001:2015 certified company. Click here to view our certificate. The ISO 9001 standard is the world’s most widely recognized quality management system (QMS) certification. With more than 1.2 million companies certified in over 170 countries, ISO 9001 defines requirements for companies who want to ensure that their products and services consistently meet customer requirements and continually improve their business processes.